728084956 has 12 divisors (see below), whose sum is σ = 1298189592. Its totient is φ = 357173648.

The previous prime is 728084953. The next prime is 728084963. The reversal of 728084956 is 659480827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728084953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1716970 + ... + 1717393.

It is an arithmetic number, because the mean of its divisors is an integer number (108182466).

Almost surely, 2^728084956 is an apocalyptic number.

It is an amenable number.

728084956 is a deficient number, since it is larger than the sum of its proper divisors (570104636).

728084956 is a wasteful number, since it uses less digits than its factorization.

728084956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434420 (or 3434418 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 728084956 is about 26983.0494199599. The cubic root of 728084956 is about 899.6232810194.

The spelling of 728084956 in words is "seven hundred twenty-eight million, eighty-four thousand, nine hundred fifty-six".